self.coords= "ST_Y(ST_line_interpolate_point(way,0.5)) as py,ST_X(ST_line_interpolate_point(way,0.5)) as px,ST_Y(ST_line_interpolate_point(way,0.49)) as qy,ST_X(ST_line_interpolate_point(way,0.49)) as qx,ST_Y(ST_line_interpolate_point(way,0.51)) as ry,ST_X(ST_line_interpolate_point(way,0.51)) as rx"

self.curs.execute("SELECT osm_id,amenity,ST_AsText(\"way\") AS geom, ST_AsText(buffer(\"way\",1)) AS geombuffer, tags->'height' as height "+self.FpW+" \"way\" && "+self.googbox+" and amenity is not NULL and (building is NULL or building='no')"+self.LIMIT+";")